But first,we talk to some Americans who have retired from their professional lives but still work hard to help others.

VOA: special.2010.07.16

The Great Recession gave some mothers no choice but to work, as job cuts hit hard at men.

VOA: special.2010.04.23

But the work is hard. And getting all the oil from the seeds can be difficult.

VOA: special.2009.09.29

But he is hard at work. He and his team currently are trying to make algae that can change carbon dioxide back into fossil fuel.

VOA: special.2010.07.20

But it stopped me from doing the work that was too hard for me.

VOA: special.2010.08.01

It's hard work done with basic tools. But many farmers lost the tools they need in January's earthquake.

VOA: standard.2010.04.02

He said his government will work hard to end piracy, but he said the problem of poverty will first have to be tackled.

VOA: standard.2009.10.30

"There are so many people who work so hard everyday but they can't realize the benefits of that hard work to the extent that they should."

VOA: standard.2009.11.03

But he says there's more to it. "It has been hard work.

VOA: standard.2009.08.21

And they are extremely proud of what they're doing. But all of us volunteers,workforce, everybody involved has to keep their eye on the ball, work hard right to the end.

VOA: standard.2010.02.21